Finding the Fourth Proportional to 25,275.83, 37,919.67 and 8,636.00

Step by Step Solution

1. Step 1: Write the proportion equation
   25,275.83 : 37,919.67 = 8,636.00 : x
2. Step 2: Convert to fraction form
   25,275.83/37,919.67 = 8,636.00/x
3. Step 3: Cross multiply
   25,275.83x = 37,919.67 × 8,636.00
4. Step 4: Simplify right side
   25,275.83x = 327,474,080.52
5. Step 5: Solve for x
   x = 327,474,080.52/25,275.83
6. Step 6: Final answer
   x = 12,956.02